TW201034404A - Preamble extensions - Google Patents

Preamble extensions Download PDF

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Publication number
TW201034404A
TW201034404A TW098128084A TW98128084A TW201034404A TW 201034404 A TW201034404 A TW 201034404A TW 098128084 A TW098128084 A TW 098128084A TW 98128084 A TW98128084 A TW 98128084A TW 201034404 A TW201034404 A TW 201034404A
Authority
TW
Taiwan
Prior art keywords
symbol
spatial streams
training sequence
symbols
processing system
Prior art date
Application number
TW098128084A
Other languages
English (en)
Chinese (zh)
Inventor
Nee Didier Johannes Richard Van
Zelst Albert Van
Geert Arnout Awater
Original Assignee
Qualcomm Inc
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Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of TW201034404A publication Critical patent/TW201034404A/zh

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F214/18—Monomers containing fluorine
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0671—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different delays between antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/068—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using space frequency diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0684—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using different training sequences per antenna
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
TW098128084A 2008-08-20 2009-08-20 Preamble extensions TW201034404A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9043408P 2008-08-20 2008-08-20
US12/428,129 US20100046656A1 (en) 2008-08-20 2009-04-22 Preamble extensions

Publications (1)

Publication Number Publication Date
TW201034404A true TW201034404A (en) 2010-09-16

Family

ID=41696388

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098128084A TW201034404A (en) 2008-08-20 2009-08-20 Preamble extensions

Country Status (7)

Country Link
US (2) US20100046656A1 (enExample)
EP (2) EP2661008A1 (enExample)
JP (1) JP5410527B2 (enExample)
KR (1) KR101339111B1 (enExample)
CN (2) CN103825692B (enExample)
TW (1) TW201034404A (enExample)
WO (1) WO2010021900A2 (enExample)

Families Citing this family (111)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2592766B1 (en) 2007-07-18 2020-04-22 Marvell World Trade Ltd. Access point with simultaneous downlink transmission of independent data for multiple client stations
CN101755498B (zh) 2007-07-18 2016-09-28 马维尔国际贸易有限公司 一种无线网络和客户站
US8982889B2 (en) 2008-07-18 2015-03-17 Marvell World Trade Ltd. Preamble designs for sub-1GHz frequency bands
US8351519B2 (en) * 2008-08-15 2013-01-08 Qualcomm Incorporated Embedding information in an 802.11 signal field
US8767524B2 (en) 2008-08-19 2014-07-01 Qualcomm Incorporated Training sequences for very high throughput wireless communication
US8155138B2 (en) 2008-08-19 2012-04-10 Qualcomm Incorporated Training sequences for very high throughput wireless communication
US20100290449A1 (en) * 2008-08-20 2010-11-18 Qualcomm Incorporated Preamble extensions
JP5328059B2 (ja) * 2009-02-18 2013-10-30 エルジー エレクトロニクス インコーポレイティド 共存的チャネルアクセス方法
US9924512B1 (en) 2009-03-24 2018-03-20 Marvell International Ltd. OFDMA with block tone assignment for WLAN
EP2415182B1 (en) 2009-03-31 2018-11-28 Marvell World Trade Ltd. Method and apparatus with sounding and steering protocols for wireless communications
EP2811717B1 (en) * 2009-04-13 2016-08-03 Marvell World Trade Ltd. Physical layer frame format for wlan
JP2010258599A (ja) * 2009-04-22 2010-11-11 Sony Corp 無線通信装置と無線通信方法とコンピュータ・プログラムおよび無線通信システム
JP5493459B2 (ja) * 2009-05-08 2014-05-14 ソニー株式会社 通信装置及び通信方法
US8437440B1 (en) * 2009-05-28 2013-05-07 Marvell International Ltd. PHY frame formats in a system with more than four space-time streams
US9197298B2 (en) 2009-06-05 2015-11-24 Broadcom Corporation Group identification and definition within multiple user, multiple access, and/or MIMO wireless communications
US20100310002A1 (en) * 2009-06-05 2010-12-09 Broadcom Corporation Adaptive and selective frame formats within multiple user, multiple access, and/or mimo wireless communications
US20100311432A1 (en) 2009-06-05 2010-12-09 Broadcom Corporation Cluster parsing for signaling within multiple user, multiple access, and/or mimo wireless communications
US8693356B2 (en) 2009-07-16 2014-04-08 Ralink Technology Corp. Method for wireless communication system and device using the same
US20110013575A1 (en) * 2009-07-16 2011-01-20 Yen-Chin Liao Method of generating preamble sequence for wireless local area network system and device thereof
US20110013547A1 (en) * 2009-07-16 2011-01-20 Yen-Chin Liao Method of generating preamble sequence for wireless communication system and device thereof
US8488539B2 (en) * 2009-07-16 2013-07-16 Ralink Technology Corp. Method of generating preamble sequence
US8571010B1 (en) * 2009-07-21 2013-10-29 Marvell International Ltd. Simultaneous uplink transmission in a wireless network
US9706599B1 (en) 2009-07-23 2017-07-11 Marvell International Ltd. Long wireless local area network (WLAN) packets with midambles
US9077594B2 (en) 2009-07-23 2015-07-07 Marvell International Ltd. Coexistence of a normal-rate physical layer and a low-rate physical layer in a wireless network
US8660497B1 (en) 2009-08-18 2014-02-25 Marvell International Ltd. Beamsteering in a spatial division multiple access (SDMA) system
US9219576B2 (en) 2009-09-18 2015-12-22 Marvell World Trade Ltd. Short packet for use in beamforming
EP2491663B1 (en) 2009-10-23 2015-07-29 Marvell World Trade Ltd. Training sequence indication for WLAN
US8582418B2 (en) 2009-10-26 2013-11-12 Electronics And Telecommunications Research Institute Packet mode auto-detection in multi-mode wireless communication system, signal field transmission for the packet mode auto-detection, and gain control based on the packet mode
EP3107329B1 (en) * 2009-10-30 2020-05-06 Electronics and Telecommunications Research Institute Method for transmitting control and training symbols in multi-user wireless communication system
CN102598803B (zh) 2009-11-03 2016-06-01 马维尔国际贸易有限公司 通信设备中的功率节省
KR101746733B1 (ko) * 2009-12-02 2017-06-13 마벨 월드 트레이드 리미티드 복수의 스테이션을 사운딩하는 방법 및 장치
WO2011071300A2 (en) * 2009-12-10 2011-06-16 Lg Electronics Inc. Method and apparatus of transmitting training signal in wireless local area network system
US8238316B2 (en) * 2009-12-22 2012-08-07 Intel Corporation 802.11 very high throughput preamble signaling field with legacy compatibility
JP5625395B2 (ja) * 2010-03-03 2014-11-19 ソニー株式会社 無線通信装置、無線通信方法および無線通信システム
US9397785B1 (en) 2010-04-12 2016-07-19 Marvell International Ltd. Error detection in a signal field of a WLAN frame header
US9025428B2 (en) 2010-04-14 2015-05-05 Qualcomm Incorporated Allocating and receiving tones for a frame
US8619676B2 (en) * 2010-06-09 2013-12-31 Broadcom Corporation Legacy cyclic shift delay (CSD) for orthogonal frequency division multiplexing (OFDM) signaling within multiple user, multiple access, and/or MIMO wireless communications
US8619655B2 (en) 2010-06-09 2013-12-31 Broadcom Corporation Cyclic shift delay (CSD) short training field (STF) for orthogonal frequency division multiplexing (OFDM) signaling within multiple user, multiple access, and/or MIMO wireless communicaitons
US8718169B2 (en) 2010-06-15 2014-05-06 Qualcomm Incorporated Using a field format on a communication device
CN102893537B (zh) 2010-06-16 2016-06-22 马维尔国际贸易有限公司 用于下行多用户mimo配置的替换反馈类型
US9001908B2 (en) 2010-07-01 2015-04-07 Marvell World Trade Ltd. Orthogonal frequency division multiplexing (OFDM) symbol formats for a wireless local area network (WLAN)
CN102959893B (zh) 2010-07-01 2016-03-23 马维尔国际贸易有限公司 Wlan帧报头中的信号字段的调制
US8542659B2 (en) * 2010-07-07 2013-09-24 Marvell World Trade Ltd. Cyclic shift delays in multi-user packets with resolvable very high throughput long training fields (VHTLTFs)
KR101829851B1 (ko) 2010-08-10 2018-03-29 마벨 월드 트레이드 리미티드 다운링크 복수 사용자 mimo 구조 상의 빔포밍용 서브-대역 피드백
US8494075B2 (en) 2010-08-26 2013-07-23 Qualcomm Incorporated Single stream phase tracking during channel estimation in a very high throughput wireless MIMO communication system
JP6029110B2 (ja) 2010-09-01 2016-11-24 マーベル ワールド トレード リミテッド 通信ネットワークのリンク適合
WO2012030545A1 (en) 2010-09-01 2012-03-08 Marvell World Trade Ltd. Optimum interleaver design for a communication system
CN102469053A (zh) * 2010-11-08 2012-05-23 中兴通讯股份有限公司 一种超高吞吐量长训练域处理方法和系统
US8831668B2 (en) * 2010-11-08 2014-09-09 Qualcomm Incorporated Power control for TV white space devices
US20120140842A1 (en) * 2010-12-06 2012-06-07 Qualcomm Incorporated Signaling to protect advanced receiver performance in wireless local area networks (lans)
US8532077B2 (en) * 2010-12-14 2013-09-10 Intel Corporation Frame format techniques for non-resolvable long training fields in wireless networks
CN103563283B (zh) 2011-01-28 2016-08-31 马维尔国际贸易有限公司 用于远程wlan的物理层帧格式
US9178745B2 (en) 2011-02-04 2015-11-03 Marvell World Trade Ltd. Control mode PHY for WLAN
US8885740B2 (en) 2011-02-04 2014-11-11 Marvell World Trade Ltd. Control mode PHY for WLAN
JP6014948B2 (ja) 2011-05-26 2016-10-26 マーベル ワールド トレード リミテッド 長距離ｗｌａｎのサウンディングパケット形式
EP2719220B1 (en) 2011-06-07 2016-04-27 Marvell World Trade Ltd. Physical layer frame format for long range wlan
JP5635457B2 (ja) * 2011-07-01 2014-12-03 日本電信電話株式会社 無線通信システム、通信装置、無線通信方法、及び送信方法
JP5714994B2 (ja) * 2011-07-07 2015-05-07 日本電信電話株式会社 無線通信システム、通信装置、及び無線通信方法
US9031049B2 (en) 2011-08-18 2015-05-12 Marvell World Trade Ltd. Signal field design for WLAN
JP6057259B2 (ja) 2011-08-29 2017-01-11 マーベル ワールド トレード リミテッド システムおよび方法
JP6124362B2 (ja) 2011-11-02 2017-05-10 マーベル ワールド トレード リミテッド 無線ローカルエリアネットワーク（ｗｌａｎ）でデータユニットの物理層（ｐｈｙ）モードを自動的に検出するための方法および装置
US9203683B2 (en) * 2012-01-13 2015-12-01 Marvell World Trade Ltd. Data unit format for single user beamforming in long-range wireless local area networks (WLANs)
US8750215B2 (en) * 2012-03-06 2014-06-10 Intel Corporation Method and apparatus for a 1 MHz long training field design
CN104247316B (zh) * 2012-04-03 2018-10-02 马维尔国际贸易有限公司 用于wlan的物理层帧格式
US8995320B2 (en) * 2012-04-16 2015-03-31 Qualcomm Incorporated Systems and methods of using space time block codes
US9246729B2 (en) 2012-08-03 2016-01-26 Marvell World Trade Ltd. Multi-mode indication in subfield in a signal field of a wireless local area network data unit
WO2014183059A1 (en) 2013-05-10 2014-11-13 Marvell World Trade Ltd. Physical layer frame format for wlan
WO2014182328A1 (en) * 2013-05-10 2014-11-13 Intel Corporation Methods, wireless communication stations, and system for operating in the 5 ghz frequency band
US9071474B1 (en) 2013-07-25 2015-06-30 Marvell International Ltd. Systems and methods for suppressing interference in a wireless communication system
EP3044923A2 (en) 2013-09-10 2016-07-20 Marvell World Trade Ltd. Extended guard interval for outdoor wlan
US10194006B2 (en) 2013-10-25 2019-01-29 Marvell World Trade Ltd. Physical layer frame format for WLAN
JP6464493B2 (ja) 2013-10-25 2019-02-06 マーベル ワールド トレード リミテッド ＷｉＦｉ用の距離延長モード
US10218822B2 (en) 2013-10-25 2019-02-26 Marvell World Trade Ltd. Physical layer frame format for WLAN
US10257806B2 (en) 2013-11-11 2019-04-09 Marvell World Trade Ltd. Medium access control for multi-channel OFDM in a wireless local area network
US9825678B2 (en) 2013-11-26 2017-11-21 Marvell World Trade Ltd. Uplink multi-user multiple input multiple output for wireless local area network
US9166660B2 (en) 2013-11-27 2015-10-20 Marvell World Trade Ltd. Uplink multi-user multiple input multiple output beamforming
US9473341B2 (en) 2013-11-27 2016-10-18 Marvell World Trade Ltd. Sounding and tone block allocation for orthogonal frequency multiple access (OFDMA) in wireless local area networks
KR101721293B1 (ko) * 2013-12-31 2017-04-10 한국전자통신연구원 무선랜 시스템에서 채널을 추정하는 장치 및 방법
US9935794B1 (en) 2014-03-24 2018-04-03 Marvell International Ltd. Carrier frequency offset estimation
WO2015161068A1 (en) 2014-04-16 2015-10-22 Marvell World Trade Ltd. Signal field length indication in a high efficiency wireless local area network (wlan)
US11855818B1 (en) 2014-04-30 2023-12-26 Marvell Asia Pte Ltd Adaptive orthogonal frequency division multiplexing (OFDM) numerology in a wireless communication network
US9629127B2 (en) 2014-05-02 2017-04-18 Marvell World Trade Ltd. Multiple user allocation signaling in a wireless communication network
US10299270B2 (en) * 2014-05-26 2019-05-21 Sharp Kabushiki Kaisha Radio transmission apparatus, radio reception apparatus, and communication method
US9832059B2 (en) * 2014-06-02 2017-11-28 Marvell World Trade Ltd. High efficiency orthogonal frequency division multiplexing (OFDM) physical layer (PHY)
KR20170017998A (ko) 2014-06-11 2017-02-15 마벨 월드 트레이드 리미티드 무선 통신 시스템 내의 압축된 ofdm 심볼
EP3496507B1 (en) 2014-07-31 2022-02-23 Huawei Technologies Co., Ltd. Transmission device and method for transmitting data frame
KR102499573B1 (ko) 2014-08-25 2023-02-16 주식회사 윌러스표준기술연구소 무선 통신 방법 및 이를 이용한 무선 통신 단말
US9712217B2 (en) * 2014-09-08 2017-07-18 Intel Corporation Parallel channel training in multi-user multiple-input and multiple-output system
US10075226B2 (en) * 2014-10-03 2018-09-11 Qualcomm Incorporated Per stream and per antenna cyclic shift delay in uplink multi-user MIMO
US9660736B2 (en) * 2014-11-19 2017-05-23 Intel Corporation Systems, methods, and devices for interference mitigation in wireless networks
US10306603B1 (en) 2015-02-09 2019-05-28 Marvell International Ltd. Resource request for uplink multi-user transmission
US9826532B1 (en) 2015-02-09 2017-11-21 Marvell International Ltd. Orthogonal frequency division multiple access resource request
US9674011B1 (en) 2015-02-10 2017-06-06 Marvel International Ltd. Auto-detection of repeated signals
US10079918B2 (en) 2015-02-17 2018-09-18 Marvell World Trade Ltd. Block coding scheme for PHY data unit transmission
US10181966B1 (en) 2015-05-01 2019-01-15 Marvell International Ltd. WiFi classification by pilot sequences
US10382598B1 (en) 2015-05-01 2019-08-13 Marvell International Ltd. Physical layer frame format for WLAN
CN104852818B (zh) 2015-05-18 2017-12-12 乐鑫信息科技（上海）有限公司 物联网设备的兼容配置方法及系统
US10038518B1 (en) 2015-06-11 2018-07-31 Marvell International Ltd. Signaling phy preamble formats
US10285149B2 (en) * 2015-06-15 2019-05-07 Qualcomm Incorporated Orthogonal training field sequences for phase tracking
US10136435B1 (en) 2015-08-13 2018-11-20 Marvell International Ltd. Orthogonal frequency division multiplex data unit decoding
US10079709B2 (en) 2015-08-14 2018-09-18 Marvell World Trade Ltd. Physical layer data unit format for a wireless communication network
CN108141304B (zh) * 2015-11-04 2019-09-17 松下知识产权经营株式会社 无线通信系统中的控制信令的发送装置和发送方法
CN109479275B (zh) 2016-04-12 2023-07-04 恩智浦美国有限公司 上行链路多用户传输
EP3443702A1 (en) 2016-04-14 2019-02-20 Marvell World Trade, Ltd. Determining channel availability for orthogonal frequency division multiple access operation
US11191061B2 (en) * 2016-04-19 2021-11-30 Qualcomm Incorporated Beam reference signal based narrowband channel measurement and CQI reporting
CN108306841B (zh) * 2017-01-11 2022-02-11 中兴通讯股份有限公司 用于ofdm通信的信号设计方法及系统、发射机、接收机
EP3370464B1 (en) * 2017-03-02 2020-02-26 Nxp B.V. Processing module and associated method
CN110710176B (zh) 2017-06-09 2022-12-02 马维尔亚洲私人有限公司 带有具有压缩ofdm符号的中间码的分组
WO2019060407A1 (en) 2017-09-22 2019-03-28 Marvell World Trade Ltd. DETERMINING THE NUMBER OF MIDAMBULES IN A PACKET
CN109728873B (zh) * 2017-10-27 2020-06-26 华为技术有限公司 信道汇聚的数据传输方法及装置
US10873383B2 (en) * 2019-03-08 2020-12-22 Huawei Technologies Co., Ltd. Communications in spatial streams

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994011955A1 (en) * 1992-11-06 1994-05-26 Pericle Communications Company Adaptive data rate modem
US5537410A (en) * 1994-09-15 1996-07-16 Oki Telecom Subsequent frame variable data rate indication method
US5815488A (en) * 1995-09-28 1998-09-29 Cable Television Laboratories, Inc. Multiple user access method using OFDM
WO2000033496A1 (en) * 1998-12-01 2000-06-08 Samsung Electronics Co., Ltd. Frequency synchronizing device for ofdm/cdma system
US6904079B2 (en) * 2000-02-08 2005-06-07 Ipr Licensing, Inc. Access channel structure for wireless communication system
US7269430B2 (en) * 2003-11-24 2007-09-11 Broadcom Corporation Frame format for high data throughput wireless local area network transmissions
US7995455B1 (en) * 2004-01-21 2011-08-09 Marvell International Ltd. Scalable MIMO-OFDM PHY for high throughput WLANs
US8958493B2 (en) * 2004-03-31 2015-02-17 Infineon Technologies Ag Operation for backward-compatible transmission
EP1751890B1 (en) * 2004-05-27 2017-03-01 QUALCOMM Incorporated Modified preamble structure for ieee 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, mimo or otherwise extended devices
WO2005119985A1 (en) * 2004-06-01 2005-12-15 Koninklijke Philips Electronics N.V. Method, apparatuses and signal for transmitting/receiving information comprising primary and secondary messages in a same transmission
US8619907B2 (en) * 2004-06-10 2013-12-31 Agere Systems, LLC Method and apparatus for preamble training in a multiple antenna communication system
WO2006002310A2 (en) * 2004-06-22 2006-01-05 Conexant Systems, Inc. Legacy compatible spatial multiplexing systems and methods
US8737189B2 (en) * 2005-02-16 2014-05-27 Broadcom Corporation Method and system for compromise greenfield preambles for 802.11n
DE602004020245D1 (de) * 2004-12-20 2009-05-07 Ericsson Telefon Ab L M Verfahren und Vorrichtungen zur Übertragunsparameter Regelung
JP2006186427A (ja) * 2004-12-24 2006-07-13 Toshiba Corp 無線通信方法及び装置
US7924943B2 (en) * 2005-02-07 2011-04-12 Broadcom Corporation Method and system for optional closed loop mechanism with adaptive modulations for multiple input multiple output (MIMO) wireless local area network (WLAN) system
EP1847050B1 (en) * 2005-02-08 2016-04-13 QUALCOMM Incorporated Wireless messaging preambles allowing for beamforming and legacy device coexistence
US7558537B2 (en) * 2005-06-07 2009-07-07 Broadcom Corporation Modified preamble for programmable transmitter
US7706248B2 (en) * 2005-06-29 2010-04-27 Intel Corporation Multicarrier receiver and method for time-delay compensation in a multi-user uplink
US7738538B1 (en) * 2005-08-01 2010-06-15 Ralink Technology Corporation Flexible and in-band signaling for nested preamble
US7855993B2 (en) * 2005-08-23 2010-12-21 Agere Systems Inc. Method and apparatus for reducing power fluctuations during preamble training in a multiple antenna communication system using cyclic delays
US7711061B2 (en) * 2005-08-24 2010-05-04 Broadcom Corporation Preamble formats supporting high-throughput MIMO WLAN and auto-detection
JP2007081702A (ja) * 2005-09-13 2007-03-29 Toshiba Corp 無線受信装置及び無線受信方法
JP4367422B2 (ja) * 2006-02-14 2009-11-18 ソニー株式会社 無線通信装置及び無線通信方法
US7664200B2 (en) * 2006-02-24 2010-02-16 Broadcom Corporation Method and system for minimizing effects of transmitter impairments in multiple input multiple output (MIMO) beamforming communication systems
JP4924106B2 (ja) * 2006-04-27 2012-04-25 ソニー株式会社 無線通信システム、並びに無線通信装置及び無線通信方法
JP2008017143A (ja) * 2006-07-05 2008-01-24 Toshiba Corp 無線受信装置および方法
US8072959B2 (en) * 2008-03-06 2011-12-06 Issc Technologies Corp. Generating method for short training field in IEEE 802.11n communication systems
US20100290449A1 (en) * 2008-08-20 2010-11-18 Qualcomm Incorporated Preamble extensions

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